The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 05, 2004
Filed:
Sep. 12, 2001
Applicant:
Inventors:
Tamon Kasajima, Tokyo, JP;
Katsuhiko Tomita, Tokyo, JP;
Masashi Shiraishi, Tokyo, JP;
Takashi Honda, Tokyo, JP;
Takeshi Wada, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/736 ;
U.S. Cl.
CPC ...
G11B 2/736 ;
Abstract
A method of testing a performance of an HGA including a step of obtaining a displacement performance of a precise positioning actuator by driving this actuator to displace and by executing a track profile measurement of at least one thin-film magnetic head element.